CVE-2020-0813: Scripting Engine Information Disclosure Vulnerability
Overview
- Severity
- Medium (CVSS 4.3)
- CVSS Vector
- CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:O/RC:C
- Category
- Information Disclosure
- Exploit Status
- Not Exploited
- Exploitation Likelihood
- Less Likely
- Patch Tuesday
- 2020-Mar
- Released
- 2020-03-10
- EPSS Score
- 9.20% (percentile: 92.7%)
Description
An information disclosure vulnerability exists when Chakra improperly discloses the contents of its memory, which could provide an attacker with information to further compromise the user’s computer or data.
To exploit the vulnerability, an attacker must know the memory address of where the object was created.
The update addresses the vulnerability by changing the way certain functions handle objects in memory.
FAQ
What type of information could be disclosed by this vulnerability?
The type of information that could be disclosed if an attacker successfully exploited this vulnerability is Kernel memory read - unintentional read access to memory contents in kernel space from a user mode process.
Affected Products (17)
Browser
- ChakraCore
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for 32-bit Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for x64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1803 for ARM64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows Server 2019
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for 32-bit Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for x64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1909 for ARM64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for 32-bit Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for x64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1709 for ARM64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems
- Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems
Security Updates (5)
Acknowledgments
MoonLiang of <a href="https://xlab.tencent.com/">Tencent Security Xuanwu Lab</a>
Revision History
- 2020-03-10: Information published.